Yukai Yang could serve up to 20 years for adding toxic metal to his roommate’s food
A former chemistry student has been sentenced to at least seven years in jail after admitting to poisoning his roommate with the highly toxic metal thallium.
On 24 March, Yukai Yang, who was pursuing an undergraduate degree in chemistry at Lehigh University in Bethlehem, Pennsylvania, was handed a jail sentence after pleading guilty to the poisoning.